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Finding the Fourth Proportional to 323,228.55, 446,051.10 and 178,031.52

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Solution

The fourth proportional to 323,228.55, 446,051.10 and 178,031.52 is: 245,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,228.55 : 446,051.10 = 178,031.52 : x
  2. Step 2: Convert to fraction form
    323,228.55/446,051.10 = 178,031.52/x
  3. Step 3: Cross multiply
    323,228.55x = 446,051.10 × 178,031.52
  4. Step 4: Simplify right side
    323,228.55x = 79,411,155,330.67
  5. Step 5: Solve for x
    x = 79,411,155,330.67/323,228.55
  6. Step 6: Final answer
    x = 245,681.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.